公称通径DN |
阀座最小通径 |
公称通径DN |
阀座最小通径 |
公称通径DN |
阀座最小通径 |
40 |
34 |
350 |
325 |
1400 |
1360 |
50 |
44 |
400 |
375 |
1600 |
1560 |
65 |
59 |
450 |
425 |
1800 |
1760 |
80 |
74 |
500 |
475 |
2000 |
1960 |
100 |
94 |
600 |
575 |
2200 |
2120 |
125 |
119 |
700 |
670 |
2400 |
2320 |
150 |
144 |
800 |
770 |
2600 |
2520 |
200 |
190 |
900 |
870 |
2800 |
2720 |
250 |
230 |
1000 |
970 |
3000 |
2920 |
300 |
280 |
1200 |
1160 |
— |
— |